For example, roofing, painting, cabinets, flooring, electrical, plumbing, HVAC, etc. 

A 3 car garage in the back is just waiting for us to add electric doors and rent it out.

-Unless the garage already has electric and water connections, that's an important and expensive item in the SOW.

Electrical check4.

Multiple improvements done on this duplex in 2021, including new roof, gutters, flooring, drywall, electrical, appliances, and heating/cooling unit for the second floor.

That could be as simple as adding a couple large strips of electric baseboard in the downstairs to provide heat in an emergency.

Do refrigerator, range, faucets, toilets, kitchen, flooring, bathrooms, rough plumbing, siding, roof, HVAC, fencing, rough electrical, hardscape.

Water, electrical shutoffs, and how to reset outlets if they trip.Use cross collateralization of stocks for your down if possible.  

, Fence 2 acres $20,000; Gate system $15,000;  Electric $7,000;  Security $7,000; road rock $20,000; driveway entrance $??

Commercial space rent in the area for similar properties is $3000-$4000/mo but property taxes annually are $25k+, insurance $6k+ and other expenses such as trash, water, heat & electric, etc.